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Adjective invalid has 2 senses
  1. invalid - having no cogency or legal force; "invalid reasoning"; "an invalid driver's license"
    Antonyms:     valid, binding, legal, legitimate, logical, reasoned, sound, well-grounded, validated
  2. invalid - no longer valid; "the license is invalid"
    Antonym:     unexpired (indirect, via expired)
,Noun invalid has 1 sense
  1. invalid, shut-in - someone who is incapacitated by a chronic illness or injury
    --1 is a kind of sick person, diseased person, sufferer
    --1 is a member of homebound
    Derived form: verb invalid2
,Verb invalid has 2 senses
  1. invalid - force to retire, remove from active duty, as of firemen
    --1 is one way to     remove
    Sample sentence:
    Somebody ----s somebody
  2. disable, invalid, incapacitate, handicap - injure permanently; "He was disabled in a car accident"
    --2 is one way to injure, wound
    Derived form: noun invalid1
    Sample sentences:
    Somebody ----s somebody
    Something ----s somebody
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